diff --git a/pkg/local_object_storage/blobovnicza/control.go b/pkg/local_object_storage/blobovnicza/control.go
index 7b555290..0e320496 100644
--- a/pkg/local_object_storage/blobovnicza/control.go
+++ b/pkg/local_object_storage/blobovnicza/control.go
@@ -111,7 +111,7 @@ func (b *Blobovnicza) initializeSize() error {
 		return fmt.Errorf("can't determine DB size: %w", err)
 	}
 	b.dataSize.Store(size)
-	b.metrics.AddSize(size)
+	b.metrics.AddOpenBlobovnizcaSize(size)
 	return nil
 }
 
@@ -135,7 +135,7 @@ func (b *Blobovnicza) Close() error {
 	}
 
 	b.metrics.DecOpenBlobovnizcaCount()
-	b.metrics.SubSize(b.dataSize.Load())
+	b.metrics.SubOpenBlobovnizcaSize(b.dataSize.Load())
 	b.dataSize.Store(0)
 
 	b.opened = false
diff --git a/pkg/local_object_storage/blobovnicza/metrics.go b/pkg/local_object_storage/blobovnicza/metrics.go
index d511f90f..5f4f94cb 100644
--- a/pkg/local_object_storage/blobovnicza/metrics.go
+++ b/pkg/local_object_storage/blobovnicza/metrics.go
@@ -4,13 +4,13 @@ type Metrics interface {
 	IncOpenBlobovnizcaCount()
 	DecOpenBlobovnizcaCount()
 
-	AddSize(size uint64)
-	SubSize(size uint64)
+	AddOpenBlobovnizcaSize(size uint64)
+	SubOpenBlobovnizcaSize(size uint64)
 }
 
 type NoopMetrics struct{}
 
-func (m *NoopMetrics) IncOpenBlobovnizcaCount() {}
-func (m *NoopMetrics) DecOpenBlobovnizcaCount() {}
-func (m *NoopMetrics) AddSize(uint64)           {}
-func (m *NoopMetrics) SubSize(uint64)           {}
+func (m *NoopMetrics) IncOpenBlobovnizcaCount()      {}
+func (m *NoopMetrics) DecOpenBlobovnizcaCount()      {}
+func (m *NoopMetrics) AddOpenBlobovnizcaSize(uint64) {}
+func (m *NoopMetrics) SubOpenBlobovnizcaSize(uint64) {}
diff --git a/pkg/local_object_storage/blobovnicza/sizes.go b/pkg/local_object_storage/blobovnicza/sizes.go
index 482242c3..d4ac1920 100644
--- a/pkg/local_object_storage/blobovnicza/sizes.go
+++ b/pkg/local_object_storage/blobovnicza/sizes.go
@@ -42,12 +42,12 @@ func upperPowerOfTwo(v uint64) uint64 {
 
 func (b *Blobovnicza) incSize(sz uint64) {
 	b.dataSize.Add(sz)
-	b.metrics.AddSize(sz)
+	b.metrics.AddOpenBlobovnizcaSize(sz)
 }
 
 func (b *Blobovnicza) decSize(sz uint64) {
 	b.dataSize.Add(^(sz - 1))
-	b.metrics.SubSize(sz)
+	b.metrics.SubOpenBlobovnizcaSize(sz)
 }
 
 func (b *Blobovnicza) full() bool {
diff --git a/pkg/local_object_storage/metrics/blobovnizca.go b/pkg/local_object_storage/metrics/blobovnizca.go
index a498d822..72c45c31 100644
--- a/pkg/local_object_storage/metrics/blobovnizca.go
+++ b/pkg/local_object_storage/metrics/blobovnizca.go
@@ -81,12 +81,12 @@ type blobovniczaMetrics struct {
 	path    string
 }
 
-func (m *blobovniczaMetrics) AddSize(size uint64) {
-	m.m.AddTreeSize(m.shardID(), m.path, size)
+func (m *blobovniczaMetrics) AddOpenBlobovnizcaSize(size uint64) {
+	m.m.AddOpenBlobovnizcaSize(m.shardID(), m.path, size)
 }
 
-func (m *blobovniczaMetrics) SubSize(size uint64) {
-	m.m.SubTreeSize(m.shardID(), m.path, size)
+func (m *blobovniczaMetrics) SubOpenBlobovnizcaSize(size uint64) {
+	m.m.SubOpenBlobovnizcaSize(m.shardID(), m.path, size)
 }
 
 func (m *blobovniczaMetrics) IncOpenBlobovnizcaCount() {
diff --git a/pkg/metrics/blobovnizca.go b/pkg/metrics/blobovnizca.go
index 9dc3ed57..b80ec5fc 100644
--- a/pkg/metrics/blobovnizca.go
+++ b/pkg/metrics/blobovnizca.go
@@ -15,8 +15,8 @@ type BlobobvnizcaMetrics interface {
 	AddBlobobvnizcaTreePut(shardID, path string, size int)
 	AddBlobobvnizcaTreeGet(shardID, path string, size int)
 
-	AddTreeSize(shardID, path string, size uint64)
-	SubTreeSize(shardID, path string, size uint64)
+	AddOpenBlobovnizcaSize(shardID, path string, size uint64)
+	SubOpenBlobovnizcaSize(shardID, path string, size uint64)
 
 	IncOpenBlobovnizcaCount(shardID, path string)
 	DecOpenBlobovnizcaCount(shardID, path string)
@@ -27,41 +27,41 @@ type blobovnizca struct {
 	treeReqDuration *prometheus.HistogramVec
 	treePut         *prometheus.CounterVec
 	treeGet         *prometheus.CounterVec
-	treeSize        *prometheus.GaugeVec
+	treeOpenSize    *prometheus.GaugeVec
 	treeOpenCounter *prometheus.GaugeVec
 }
 
 func newBlobovnizca() *blobovnizca {
 	return &blobovnizca{
-		treeMode: newShardIDPathMode(blobovnizaTreeSubSystem, "mode", "Blobovnizca tree mode"),
+		treeMode: newShardIDPathMode(blobovniczaTreeSubSystem, "mode", "Blobovnizca tree mode"),
 
 		treeReqDuration: metrics.NewHistogramVec(prometheus.HistogramOpts{
 			Namespace: namespace,
-			Subsystem: blobovnizaTreeSubSystem,
+			Subsystem: blobovniczaTreeSubSystem,
 			Name:      "request_duration_seconds",
 			Help:      "Accumulated Blobovnizca tree request process duration",
 		}, []string{shardIDLabel, pathLabel, successLabel, methodLabel, withStorageIDLabel}),
 		treePut: metrics.NewCounterVec(prometheus.CounterOpts{
 			Namespace: namespace,
-			Subsystem: blobovnizaTreeSubSystem,
+			Subsystem: blobovniczaTreeSubSystem,
 			Name:      "put_bytes",
 			Help:      "Accumulated payload size written to Blobovnizca tree",
 		}, []string{shardIDLabel, pathLabel}),
 		treeGet: metrics.NewCounterVec(prometheus.CounterOpts{
 			Namespace: namespace,
-			Subsystem: blobovnizaTreeSubSystem,
+			Subsystem: blobovniczaTreeSubSystem,
 			Name:      "get_bytes",
 			Help:      "Accumulated payload size read from Blobovnizca tree",
 		}, []string{shardIDLabel, pathLabel}),
-		treeSize: metrics.NewGaugeVec(prometheus.GaugeOpts{
+		treeOpenSize: metrics.NewGaugeVec(prometheus.GaugeOpts{
 			Namespace: namespace,
-			Subsystem: blobovnizaTreeSubSystem,
-			Name:      "size_bytes",
-			Help:      "Blobovnizca tree size",
+			Subsystem: blobovniczaTreeSubSystem,
+			Name:      "open_blobovnizca_size_bytes",
+			Help:      "Size of opened blobovnizcas of Blobovnizca tree",
 		}, []string{shardIDLabel, pathLabel}),
 		treeOpenCounter: metrics.NewGaugeVec(prometheus.GaugeOpts{
 			Namespace: namespace,
-			Subsystem: blobovnizaTreeSubSystem,
+			Subsystem: blobovniczaTreeSubSystem,
 			Name:      "open_blobovnizca_count",
 			Help:      "Count of opened blobovnizcas of Blobovnizca tree",
 		}, []string{shardIDLabel, pathLabel}),
@@ -112,15 +112,15 @@ func (b *blobovnizca) AddBlobobvnizcaTreeGet(shardID, path string, size int) {
 	}).Add(float64(size))
 }
 
-func (b *blobovnizca) AddTreeSize(shardID, path string, size uint64) {
-	b.treeSize.With(prometheus.Labels{
+func (b *blobovnizca) AddOpenBlobovnizcaSize(shardID, path string, size uint64) {
+	b.treeOpenSize.With(prometheus.Labels{
 		shardIDLabel: shardID,
 		pathLabel:    path,
 	}).Add(float64(size))
 }
 
-func (b *blobovnizca) SubTreeSize(shardID, path string, size uint64) {
-	b.treeSize.With(prometheus.Labels{
+func (b *blobovnizca) SubOpenBlobovnizcaSize(shardID, path string, size uint64) {
+	b.treeOpenSize.With(prometheus.Labels{
 		shardIDLabel: shardID,
 		pathLabel:    path,
 	}).Sub(float64(size))
diff --git a/pkg/metrics/consts.go b/pkg/metrics/consts.go
index 691aaa37..550eec42 100644
--- a/pkg/metrics/consts.go
+++ b/pkg/metrics/consts.go
@@ -4,22 +4,22 @@ const (
 	namespace          = "frostfs_node"
 	innerRingNamespace = "frostfs_ir"
 
-	fstreeSubSystem         = "fstree"
-	blobstoreSubSystem      = "blobstore"
-	blobovnizaTreeSubSystem = "blobovniza_tree"
-	metabaseSubSystem       = "metabase"
-	piloramaSubSystem       = "pilorama"
-	engineSubsystem         = "engine"
-	gcSubsystem             = "garbage_collector"
-	innerRingSubsystem      = "ir"
-	morphSubsystem          = "morph"
-	morphCacheSubsystem     = "morphcache"
-	objectSubsystem         = "object"
-	replicatorSubsystem     = "replicator"
-	stateSubsystem          = "state"
-	treeServiceSubsystem    = "treeservice"
-	writeCacheSubsystem     = "writecache"
-	grpcServerSubsystem     = "grpc_server"
+	fstreeSubSystem          = "fstree"
+	blobstoreSubSystem       = "blobstore"
+	blobovniczaTreeSubSystem = "blobovnicza_tree"
+	metabaseSubSystem        = "metabase"
+	piloramaSubSystem        = "pilorama"
+	engineSubsystem          = "engine"
+	gcSubsystem              = "garbage_collector"
+	innerRingSubsystem       = "ir"
+	morphSubsystem           = "morph"
+	morphCacheSubsystem      = "morphcache"
+	objectSubsystem          = "object"
+	replicatorSubsystem      = "replicator"
+	stateSubsystem           = "state"
+	treeServiceSubsystem     = "treeservice"
+	writeCacheSubsystem      = "writecache"
+	grpcServerSubsystem      = "grpc_server"
 
 	successLabel          = "success"
 	shardIDLabel          = "shard_id"